Vent disk



FIG. 1 is a top perspective view of a vent disk showing our design;

FIG. 2 is a bottom perspective view of the vent disk of FIG. 1;

FIG. 3 is a front view of the vent disk of FIG. 1, the rear view being identical to the front view thereof;

FIG. 4 is a right side view of the vent disk of FIG. 1, the left side view being identical to the right side view thereof;

FIG. 5 is a top view of the vent disk of FIG. 1; and,

FIG. 6 is a bottom view of the vent disk of FIG. 1. 

The ornamental design for the vent disk, as shown and described in the accompanying figures. 